260 



SCIENCE. 



[N. S. Vol. XVIII. No. 452. 



COLUMBIA TJNIVEBSITT. 



Joseph Hershey Bair : ' The Practice-curve ; 

 a Study in the Formation of Habits.' 



Rudolph Michael Binder: 'Feeling as the 

 Principle of Individuation and Socialization.' 



Myrick Nathaniel Bolles : ' The Concentration 

 of Gold and Silver in Iron Bottoms reduced from 

 Highly Ferruginous Copper Mattes."' 



William Campbell : ' The Microscopical Ex- 

 amination of the Alloys of Copper and Tin.' 



Charles William Dickson : ' The Ore Deposits 

 of Sudbury, Ontario.' 



George Irving Finlay : ' The Nephetite-syenite 

 and Associated Dikes in the San Carlos Moun- 

 tains, Tamaulipas, Mexico.' 



Philip Bovier Hawk : ' Influence of Hemor- 

 rhage upon Metabolism.' 



Ernest Norton Henderson: 'A Study of Mem- 

 ory for Connected Trains of Thought.' 



Douglas Wilson Johnson : ' The Geology of the 

 Cerrillos Hills, New Mexico.' 



Ernest Beekwith Kent : ' Constructive Work in 

 Elementary Education.' 



Joseph Edward Kirkwood : ' The Comparative 

 Embryology of the Cucurbitaceae.' 



Richard Swann Lull : ' Footprints of the Jura- 

 Trias of North America, with a Preliminary 

 Revision of the Eastern, Vertebrate Fauna of the 

 Period.' 



James Franklin Messenger : ' The Perception 

 of Number.' 



, James Burt Miner : ' Rhythms : Motor, Vis- 

 ual, and Applied.' 



Ida Helen Ogilvie : ' The Geology of the Para- 

 dox Lake Quadrangle, New York.' 



George Braxton Pegram : ' Secondary Radio- 

 activity in the Electrolysis of Thorium Solu- 

 tions.' 



Herman Simon Riederer : ' The Quantitative 

 Determination of Bismuth as Molybdate.' 



Louis Franklin Snow : ' The College Curricu- 

 lum in the United States.' 



Harry Beal Torrey: 'On Regeneration on Hy- 

 droids.' 



Stephen Francis Weston : ' Justice in Taxa- 

 tion.' 



HARVARD ■UNIVERSITY. 



Frederick Bonnet: I., 'The Changing Hydro- 

 lytio Equilibrium of Chromic Sulphate'; II., 

 ' The Compressibility of Metals.' 



Charles Theodore Burnett : ' Influences on the 

 Judgment of Number.' 



David Raymond Curtiss: 'Binary Families in 

 a Triply Connected Region, with Especial Refer- 

 ence to Hypergeometric Families.' 



Knight Dunlap : ' Tactual Time : An Experi- 

 mental Investigation.' 



William Curtis Farabee : ' Hereditary and Sex- 

 iial Influences in Meristic Variation: A Study of 

 Digital Malformations in Man.' 



Lawrence La Forge : ' The Geology of Somer- 

 ville, Massachusetts.' 



Thomas Calvin McKay : ' On the Relation of 

 the Hall Eff'ect to the Current Density in Gold.' 



Kenneth Lamartine Mark : ' The Expansion of 

 Gases by Heat under Constant Pressure.' 



Amos William Peters : ' Metabolism and the 

 Reaction of Division in Protozoa.' 



Horatius Chamberlain Porter : ' Derivatives of 

 Tetrabromorthobenzoquinone.' 



David Camp Rogers : ' Coordinations in Space 

 Perceptions.' 



Marlow Alexander Shaw : ' Illusions of a 

 Kinesthetic Character.' 



Wilfred Newsome Stull : I., ' Association of 

 Energy with Matter'; II., 'The Speed and Na- 

 ture of the Reaction of Bromine on Oxalic Acid.' 



Thomas Wayland Vaughan : ' The Eocene and 

 Lower Oligocene Coral Faunas of the United 

 States, with Descriptions of a Few Doubtfully 

 Cretaceous Species.' 



George Byron Gordon : ' The Serpent Motive in 

 the Ancient Art of Mexico and Central America.' 



UNIVERSITY OF PENNSYLVANIA. 



Christian Carl Carstens : ' Endowments : A 

 Study of Certain American Bequests.' 



Dana Brackenridge Casteel : ' The Cell-Lineage 

 and Early Larval Development of Fiona marina, 

 a Nudibranch Mollusc' 



Homer Munro Derr : ' A Method of Petro- 

 graphio Analysis Based \ipon Chromatic Inter- 

 ference with Thin Sections in Parallel Polarized 

 Light.' 



William Hastings Easton : ' The Reduction of 

 Nitric Acid in Metallic Nitrates to Ammonia by 

 the Electric Current.' 



Franz Frederick Exner : ' The Rapid Precipi- 

 tation of Metals, by the Rotation of the Anode, 

 in the Electrolytic Way.' 



Leon Wilson Hartman : ' A Spectrophoto- 

 metric Study of the Luminous Radiation from 

 the Nernst Lamp Glower under Varying Current 

 Density.' 



